| 1 |  |  | import networkx as nx | 
            
                                                        
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 3 |  |  | import graphinate | 
            
                                                        
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 5 |  |  | # import graphinate.modeling | 
            
                                                        
            
                                    
            
            
                | 6 |  |  | from graphinate import GraphModel | 
            
                                                        
            
                                    
            
            
                | 7 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 9 |  |  | def polygonal_graph_edges(edges_count: int): | 
            
                                                        
            
                                    
            
            
                | 10 |  |  |     for i in range(1, edges_count): | 
            
                                                        
            
                                    
            
            
                | 11 |  |  |         yield {'source': i, 'target': i + 1} | 
            
                                                        
            
                                    
            
            
                | 12 |  |  |     yield {'source': edges_count, 'target': 1} | 
            
                                                        
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 15 |  |  | def polygonal_graph_model(name: str, number_of_sides: int) -> graphinate.GraphModel: | 
            
                                                        
            
                                    
            
            
                | 16 |  |  |     """ | 
            
                                                        
            
                                    
            
            
                | 17 |  |  |     Create a polygonal graph model. | 
            
                                                        
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 19 |  |  |     Args: | 
            
                                                        
            
                                    
            
            
                | 20 |  |  |         name (str): The Graph's name. | 
            
                                                        
            
                                    
            
            
                | 21 |  |  |         number_of_sides (int): Number of sides in the polygon. | 
            
                                                        
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 23 |  |  |     Returns: | 
            
                                                        
            
                                    
            
            
                | 24 |  |  |         GraphModel: A graph model representing a polygonal graph. | 
            
                                                        
            
                                    
            
            
                | 25 |  |  |     """ | 
            
                                                        
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 27 |  |  |     # Define GraphModel | 
            
                                                        
            
                                    
            
            
                | 28 |  |  |     graph_model: GraphModel = graphinate.model(name) | 
            
                                                        
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 30 |  |  |     # Register edges supplier function | 
            
                                                        
            
                                    
            
            
                | 31 |  |  |     @graph_model.edge() | 
            
                                                        
            
                                    
            
            
                | 32 |  |  |     def edge(): | 
            
                                                        
            
                                    
            
            
                | 33 |  |  |         yield from polygonal_graph_edges(number_of_sides) | 
            
                                                        
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 35 |  |  |     return graph_model | 
            
                                                        
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 37 |  |  | # instantiated here to be used to cli serving | 
            
                                                        
            
                                    
            
            
                | 38 |  |  | model = polygonal_graph_model("Octagonal Graph", 8) | 
            
                                                        
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 40 |  |  | if __name__ == '__main__': | 
            
                                                        
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 42 |  |  |     # 1. Define Graph Builder | 
            
                                                        
            
                                    
            
            
                | 43 |  |  |     builder = graphinate.builders.NetworkxBuilder(model) | 
            
                                                        
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 45 |  |  |     # Then | 
            
                                                        
            
                                    
            
            
                | 46 |  |  |     # 2. Build the Graph object | 
            
                                                        
            
                                    
            
            
                | 47 |  |  |     graph: nx.Graph = builder.build() | 
            
                                                        
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 49 |  |  |     # Then | 
            
                                                        
            
                                    
            
            
                | 50 |  |  |     # 3. Option A - Output to console | 
            
                                                        
            
                                    
            
            
                | 51 |  |  |     print(graph) | 
            
                                                        
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 53 |  |  |     # Or | 
            
                                                        
            
                                    
            
            
                | 54 |  |  |     # 3. Option B - Output as a plot | 
            
                                                        
            
                                    
            
            
                | 55 |  |  |     graphinate.renderers.matplotlib.plot(graph) | 
            
                                                        
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 57 |  |  |     # Alternatively, | 
            
                                                        
            
                                    
            
            
                | 58 |  |  |     # 4. Define a GraphQL Builder | 
            
                                                        
            
                                    
            
            
                | 59 |  |  |     builder = graphinate.builders.GraphQLBuilder(model) | 
            
                                                        
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 61 |  |  |     schema = builder.build() | 
            
                                                        
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 63 |  |  |     graphinate.graphql.server(schema, port=9077) | 
            
                                                        
            
                                    
            
            
                | 64 |  |  |  |